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Cowansville Weather in September
September in Cowansville averages 21°C (70°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 112 mm (4.4 in) on average. An umbrella is a good idea.
Rainfall in Cowansville in September
Analyzing past climate data, one can expect approximately 12 days of rain, averaging 112 mm (4.4 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Cowansville in September
Cowansville in September gets highs of 21°C (70°F) during the day and drops to 10°C (50°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Cowansville in September
You can expect a moderate amount of sunlight, with approximately 183 hours. This means a pleasant mix of sun and overcast.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Cowansville.
Cowansville Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Chance of Rain
40%
Precipitation
112 mm (4.4 in)
Rainy days
12 days
Humidity
60% *
Sunshine
183 hours *
Percentage Sunshine
49% *
* Data from: Montréal, Canada (72 KM, 45 Miles).
Cowansville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cowansville - and find the best time to visit.
Best Places in Canada in September
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Cowansville in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Cowansville in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping3/10 -
Outdoor sports9/10
Cowansville 3-Day Forecast
More climate data for Cowansville
Temperature Rainfall Sunshine Humidity
See the full Cowansville climate overview or explore weather in Canada.
Popular in September
Where to go in September - average daytime high across popular destinations.
Toronto
22°C (72°F) Niagara Falls23°C (73°F) Montréal
22°C (72°F) Ottawa22°C (72°F) Quebec City
20°C (68°F) Vancouver19°C (66°F) Calgary19°C (66°F) Whistler15°C (59°F) Bucket list
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